Alex Park
Staff Software Engineer
alex.park@example.com(415) 555-0142San Francisco, CAlinkedin.com/in/alexparkgithub.com/alexpark
Summary
Staff Software Engineer with 10+ years building distributed systems at consumer scale. Shipped real-time payments at Stripe; led platform team of 7 at Notion. Strong on infra reliability, on-call leadership, and zero-downtime migrations.
Experience
Staff Software Engineer, Platform
Mar 2022 — Present
Notion
San Francisco, CA
- Led migration of 1.2B-document Postgres cluster to sharded architecture with zero customer-visible downtime, reducing p99 query latency 64%.
- Owned platform reliability roadmap; raised quarterly SLO attainment from 96.4% to 99.7% over 14 months.
- Hired and managed 7-person platform team; promoted 3 engineers to senior in 18 months.
- Drove RFC process for sync-engine v2; design now powers 40M+ DAU collaborative editing.
Senior Software Engineer, Payments
Aug 2018 — Feb 2022
Stripe
San Francisco, CA
- Built real-time settlement service processing $4.2B/quarter in volume across 38 currencies.
- Reduced payment retry latency 41% by refactoring idempotency layer; saved $2.1M/year in failed-charge revenue loss.
- Authored internal Go style guide adopted by 600+ engineers.
Software Engineer
Jun 2015 — Jul 2018
Square
San Francisco, CA
- Shipped Cash App's first peer-to-peer payment flow; grew to 8M weekly active users in 14 months.
- Designed fraud-detection rules engine that cut chargeback rate 23% in first quarter.
Skills
Core: Go, TypeScript, Postgres, Kafka, Kubernetes, AWS, Terraform, Distributed Systems, System Design
Strengths: Technical Leadership, Cross-functional Collaboration, Mentorship
Education
Carnegie Mellon University — B.S., Computer Science
May 2015
Projects
pgwatch-lite — Go, Postgres, Prometheus
Open-source Postgres slow-query monitor; 2.4k GitHub stars, used by Vercel and Linear.
Certifications
AWS Certified Solutions Architect — Professional — Amazon Web Services
Apr 2023